Fig. 1: Structural characterizations of Ir-Co3O4. | Nature Communications

Fig. 1: Structural characterizations of Ir-Co3O4.

From: Iridium single atoms incorporated in Co3O4 efficiently catalyze the oxygen evolution in acidic conditions

Fig. 1

a SEM, (b) TEM, (c) AFM and (d) HR-TEM images of Ir-Co3O4. Inset in (c) is the height profile of Ir-Co3O4 along the dashed line. e AC HAADF-STEM image and the corresponding FFT image (inset) of Ir-Co3O4. f The enlarged area in (e), with the Ir single atoms marked in circles, and (g) intensity profiles along the dashed rectangles. h 3D atom-overlapping Gaussian function fitting mapping of the selected area in (e). i AC HAADF-STEM image and the corresponding elemental mappings of Ir-Co3O4.

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